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In the wake of the increasing infection figures, the PHE study looked at 60 individuals with no history of travel outside the UK.

The Sunday Times reports the research was carried out between 2014 and 2016, and that it is estimated 150,000 to 200,000 Britons are infected with the virus by imported pork every year.

According to the newspaper, PHE's report states: "The implicated products are pork sausages, which require cooking prior to consumption, and ready-to-eat pre-packed ham."

Researchers found the "own brand" sausages were significantly associated with infection.

An FSA spokeswoman said they are aware the report's findings and are reviewing all aspects of hepatitis E infection with other government departments and industry.

"The risk from acquiring hepatitis E virus (HEV) from eating thoroughly cooked pork or pork products is low," she said.

"As a precaution, the FSA advises consumers that all whole cuts of pork, pork products and offal should be thoroughly cooked until steaming hot throughout, the meat is no longer pink and juices run clear."